addict
v.
1530s (implied in addicted), from Latin addictus, past participle of addicere "to deliver, award, yield; give assent, make over, sell," figuratively "to devote, consecrate; sacrifice, sell out, betray" from ad- "to" (see ad-) + dicere "say, declare" (see diction), but also "adjudge, allot." Earlier in English as an adjective, "delivered, devoted" (1520s). Related: Addicted; addicting.
n.
1909, in reference to morphine, from addict, v..
〔李〕[ad-=to 到；dict=to say 说 ⇒“to say yes to 对…表示赞成”⇒“togiveoverto纵情于…”→] v. give up to（ahobby）沉溺于，醉心于